Best Authentication Utility Apps

236+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

Looking for free authentication utility apps? 20 of our 236+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Authentication Utility

Salesforce Authenticator#1

Salesforce Authenticator by salesforce.com

Editor's Choice
💼 Business
4.6😐(4.1K ratings)
Free
Salesforce Authenticator screenshot 1
Salesforce Authenticator screenshot 2
Salesforce Authenticator screenshot 3
Salesforce Authenticator screenshot 4
Salesforce Authenticator screenshot 5

A mobile app that enhances online account security through multi-factor authentication, using push notifications for quick approval or denial of account activities. It also offers one-time verification codes for offline use and can utilize location services for automatic approvals. Secure your accounts that support time-based one-time passwords with this convenient tool.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure authentication
  • 👍 Easy to use
  • 🔋 Reliable backup feature

Room to Improve

  • 🐛 Inconsistent location tracking
  • 🐛 Frequent re-authentication required
  • 🐛 Unreliable push notifications
BlazeAuth - MFA Authenticator#2

BlazeAuth - MFA Authenticator by Kanatom Limited

Two-Factor Authentication Code
Strong Contender
🔧 Utilities
4.5😊(2.1K ratings)
FreeIn-App Purchases
BlazeAuth - MFA Authenticator screenshot 1
BlazeAuth - MFA Authenticator screenshot 2
BlazeAuth - MFA Authenticator screenshot 3
BlazeAuth - MFA Authenticator screenshot 4
BlazeAuth - MFA Authenticator screenshot 5
BlazeAuth - MFA Authenticator screenshot 6

What We Love

  • 🚀 Quick, reliable logins
  • 🔒 Keeps accounts secure
  • 👍 Simple setup and smooth operation
  • 👍 No annoying ads

Room to Improve

  • 🐛 Does not work on some devices
  • 🐛 Occasional crashes
  • 👎 Limited customization options
Authenticator App ™#3

Authenticator App ™ by Codenhagen.IO ApS

Two Factor Authentication
Worth Considering
🔧 Utilities
4.4😞(21K ratings)
FreeIn-App Purchases
Authenticator App ™ screenshot 1
Authenticator App ™ screenshot 2
Authenticator App ™ screenshot 3
Authenticator App ™ screenshot 4
Authenticator App ™ screenshot 5
Authenticator App ™ screenshot 6

Secure your online accounts with an advanced two-factor authentication app that generates time-based codes for enhanced security when logging in. Compatible with over 2,500 websites, streamline your multi-factor authentication setup by scanning QR codes.

What We Love

  • 👍 Easy to use
  • 🚀 Works well
  • 👍 Simple and straightforward
  • 🚀 Functional tool

Room to Improve

  • 🐛 Unable to remove accounts
  • 🐛 Difficult to cancel subscription
  • 🐛 Doesn't work as expected

More Authentication Utility apps to explore

4
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with an industry-standard authenticator app. Enable two-factor authentication, back up and sync accounts across all devices easily, and enjoy enhanced security features like passwordless sign-in and biometric authentication. Download now to experience enhanced online security.

🔧 Utilities
(33K)
5
Authenticator ℠ App
Authenticator ℠ App
Authenticator ℠ App
2FA, Two Factor Authentication
Free
🔧 Utilities
(3.9K)
6
Authenticator ® App
Authenticator ® App
Authenticator ® App
Two Factor Authentication Aрр
Free

Enhance your online security with our all-in-one mobile Authenticator App for 2FA and MFA authentication. Simply scan a QR code to secure your accounts with time-sensitive codes, cloud backups, privacy features, and more. Download today for peace of mind in the digital world!

📊 Productivity
(3K)
7
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Secure your online accounts with Authenticator 7, an app that stores and generates secure 2FA tokens for added account protection. Safeguard your accounts from hackers with this easy-to-use two-factor authentication solution.

🔧 Utilities
(26K)
8
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

This application provides secure two-factor authentication for enhanced account protection. Easily set up and manage verification codes for your accounts with this powerful tool. Download now for enhanced security!

🔧 Utilities
(1.8K)
9
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

📊 Productivity
(655K)
10
Google Authenticator
Google Authenticator
Google Authenticator
by Google LLC
Free

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

🔧 Utilities
(1.1M)
11
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

Protect your accounts with our free authenticator app that offers 2FA security for various platforms. With support for over 1000 apps, including Apple Watch compatibility, ensure your accounts are secure.

🔧 Utilities
(5.7K)
12
Authenticator App - Authkey
Authenticator App - Authkey
Authenticator App - Authkey
Two factor authentication, 2fa
Free

A comprehensive 2FA app designed to enhance online security by generating unique access codes for account protection, ensuring the safety of personal information. Secure your accounts easily and reliably with our advanced security protocols.

🔧 Utilities
(3.3K)
13
Authenticator App
Authenticator App
Authenticator App
2FA Authentication MFA & OTP
Free

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

📊 Productivity
(46K)
14
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
15
Authenticator App +
Authenticator App +
Authenticator App +
Authentication App, Copilot
Free

Enhance your online security with an advanced account authentication and password management tool featuring an AI Copilot. Protect your accounts, detect phishing websites, and manage passwords securely and efficiently. Get started now to safeguard your privacy.

💼 Business
(1.2K)
16
SecureAuth Authenticate
SecureAuth Authenticate
SecureAuth Authenticate
by SecureAuth Corporation
Free

SecureAuth Authenticate is a modern mobile app for secure identity verification and accessing apps with multi-factor authentication. It offers personal and business features, including generating one-time passcodes and supporting account security for various apps. Get started with SecureAuth Authenticate at https://www.secureauth.com/secureauth-authenticate.

💼 Business
(6)
17
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

"Enhance your online security with a simple, free, and open-source two-factor authentication app. Easily generate unique one-time passwords for your accounts using secure encryption methods, offline capabilities, and support for various password formats. Protect your accounts now!"

🔧 Utilities
(407)
18
Authenticator App ⁸
Authenticator App ⁸
Authenticator App ⁸
Authentication app, Password
Free

Get a secure password manager and authenticator in one app, designed to help you recall passwords effectively and protect your digital identity with two-factor authentication and secure storage. Download the app to enhance your password security today!

💼 Business
(720)
19
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Free
🔧 Utilities
(111)
20
FreeOTP Authenticator
FreeOTP Authenticator
FreeOTP Authenticator
by Red Hat, Inc.
Free

FreeOTP Authenticator enhances online account security by generating one-time passwords on mobile devices, offering extra protection beyond regular passwords. It supports popular online services like Google and Facebook, and can be used for corporate security with TOTP or HOTP protocols. Open source under the Apache 2.0 license.

🔧 Utilities
(166)